Fair Value Measurements (Carrying Values And Estimated Fair Values Of Financial Instruments Segregated By The Level Of The Valuation Inputs) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Financial Assets:
Held to maturity securities, fair value	$ 11,265	$ 12,115
Accrued interest receivable	4,952	5,335
Derivative Asset, Noncurrent	166
Financial Liabilities:
Accrued interest payable	771	832
Other borrowings	75,884	80,632
Carrying Values [Member] | Level 2 Inputs [Member]
Financial Assets:
Cash and cash equivalents	130,103	279,839
Held to maturity securities, fair value	10,663	11,720
Accrued interest receivable	4,952	5,335
Derivative Asset, Noncurrent	166
Investments included in other assets	7,257	8,140
Financial Liabilities:
Deposits	1,494,946	1,584,086
Accrued interest payable	771	832
Other liabilities	9,249	8,248
Derivative instrument	1,739	1,967
Other borrowings	75,884	80,632
Subordinated debentures	46,393	46,393
Carrying Values [Member] | Level 3 Inputs [Member]
Financial Assets:
Total loans, net of allowance	1,367,388	1,234,240
Fair Values [Member] | Level 2 Inputs [Member]
Financial Assets:
Cash and cash equivalents	130,103	279,839
Held to maturity securities, fair value	11,265	12,115
Accrued interest receivable	4,952	5,335
Derivative Asset, Noncurrent	166
Investments included in other assets	7,257	8,140
Financial Liabilities:
Deposits	1,408,990	1,486,939
Accrued interest payable	771	832
Other liabilities	9,249	8,248
Derivative instrument	1,739	1,967
Other borrowings	78,274	83,593
Subordinated debentures	46,393	46,393
Fair Values [Member] | Level 3 Inputs [Member]
Financial Assets:
Total loans, net of allowance	$ 1,272,485	$ 1,190,869